1312155423322 has 8 divisors (see below), whose sum is σ = 1968935331456. Its totient is φ = 655843646172.

The previous prime is 1312155423289. The next prime is 1312155423323. The reversal of 1312155423322 is 2233245512131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1312155423323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117025738 + ... + 117036949.

It is an arithmetic number, because the mean of its divisors is an integer number (246116916432).

Almost surely, 2^{1312155423322} is an apocalyptic number.

1312155423322 is a deficient number, since it is larger than the sum of its proper divisors (656779908134).

1312155423322 is a wasteful number, since it uses less digits than its factorization.

1312155423322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234065492.

The product of its digits is 43200, while the sum is 34.

The spelling of 1312155423322 in words is "one trillion, three hundred twelve billion, one hundred fifty-five million, four hundred twenty-three thousand, three hundred twenty-two".